Newer versions are backwards compatible. If you have Office 2010, 2013, 2016, 2019, or 365, reference the latest library you see (e.g., 16.0). Your code will still work with older Excel files.
This allows your VB6 program to work with any installed version of Excel (2000 through 365) without needing a specific library reference. Microsoft Excel 12.0 Object Library Download Vb6
How to do Late Binding:
Dim xlApp As Object Dim xlWB As Object Dim xlSheet As Object ' Create Excel instance (no reference needed) Set xlApp = CreateObject("Excel.Application") xlApp.Visible = True Newer versions are backwards compatible